As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A CRACK WAS FOUND AS A RESULT FROM A VISUAL INSPECTION TO LOCATE A SMALL OIL LEAK. THE CRACK APPEARS TO HAVE ORIGINATED AT THE BOLT JOINING THE FRONT AND REAR SECTION OF THE POWER CASE. THE CRACK IS ABOUT 2.5" LONG ON THE REAR PORTION OF THE CASE BETWEEN NR 6 AND NR 7 CYLINDERS.